# QuantumReader vs POWER SPOT GO パワスゴ

The clearest difference is in-app purchases: POWER SPOT GO パワスゴ at none against QuantumReader's 1. QuantumReader's advantage is update cadence (every 2 months vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. QuantumReader sells 1 one-off in-app purchase. POWER SPOT GO パワスゴ asks for nothing beyond the download.

QuantumReader ships an update every 2 months, POWER SPOT GO パワスゴ every 9 months. The most recent releases landed on September 25, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | QuantumReader | POWER SPOT GO パワスゴ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Size | 5 MB | 29 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [Bellnix Co., Ltd](https://appshunter.io/developer/1495933032) |

## What reviewers say

### QuantumReader

[App page](https://appshunter.io/ios/app/quantumreader/id6752207408)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


### POWER SPOT GO パワスゴ

[App page](https://appshunter.io/ios/app/power-spot-go/id6753062280)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is QuantumReader free?

QuantumReader is free to download, with in-app purchases available.

### Is POWER SPOT GO パワスゴ free?

POWER SPOT GO パワスゴ is free to download, with no in-app purchases.

### Do QuantumReader or POWER SPOT GO パワスゴ have ads?

Neither QuantumReader nor POWER SPOT GO パワスゴ shows ads.

### Which is updated more often, QuantumReader or POWER SPOT GO パワスゴ?

QuantumReader ships an update every 2 months, and POWER SPOT GO パワスゴ every 9 months. Most recently, QuantumReader was updated on September 25, 2026 and POWER SPOT GO パワスゴ on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*